Year	% of GDP
1965	26.346365684687584
1966	27.287137889834888
1967	28.020698323332738
1968	31.155418013121338
1969	30.73028889102049
1970	29.749269599038143
1971	29.352603904890923
1972	31.294804422919626
1973	37.42863646021482
1974	45.21078598120053
1975	36.17457278254592
1976	42.02828399615335
1977	40.12069325458435
1978	35.52017254375178
1979	40.400938769507036
1980	41.526511556798226
1981	32.51713458433858
1982	30.38162207106315
1983	28.35739063468469
1984	26.86603501371963
1985	26.152456221274385
1986	20.290974558669696
1987	23.86587093874424
1988	21.062812999313003
1989	19.69021237763231
1990	34.5720529388374
1991	22.664467440060278
1992	21.76727653647667
1993	18.889262118296152
1994	20.46118938409475
1995	23.392421049255997
1996	26.128010966977143
1997	24.801985838280565
1998	22.155234299981664
1999	28.61834745095309
2000	32.29298753454466
2001	30.5080365915387
2002	30.866251047163395
2003	32.93052104912604
2004	34.97199575207971
2005	37.67112853914235
2006	38.90378783037423
2007	39.024161511912496
2008	40.23914148375191
2009	31.584677060759198
2010	34.886725634500195
2011	33.66978433043271
2012	30.99530311806516
2013	29.698509221224366
2014	26.128477302001475
2015	19.645157809557404
2016	20.222919819087217
2017	23.4466750568261
2018	25.30521363452989
2019	23.082855742954866
2020	18.480402600316676
2021	24.45197157741247
2022	28.74134264041624
2023	27.880816422732458